Respuesta :

Let's simplify the following expression:

[tex]9.5z^2+1.4+7z-0.7-4z+z^2[/tex]

We get,

[tex]9.5z^2+1.4+7z-0.7-4z+z^2[/tex][tex]9.5z^2+z^2+7z-4z+1.4-0.7[/tex][tex]10.5z^2+3z+0.7[/tex]

Therefore, the answer is 10.5z² + 3z + 0.7